Questions :-

1. Name the transparent part of the eyes which covers front portion of the eye.
(a) Iris
(b) Pupil
(c) Cornea
(d) None of these

2. Name the coloured part of the eye which is behind the cornea.
(a) Iris
(b) Pupil
(c) Cornea
(d) None of these

3. Name the part of the eye which controls the amount of light entering into the eye.
(a) Iris
(b) Blind spot
(c) Cornea
(d) None of these

4. Name the part of eye which controls the size of the pupil.
(a) Iris
(b) Blind spot
(c) Cornea
(d) None of these

5. Name the kind of the cells which are sensitive to bright light.
(a) Rods
(b) Cones
(c) Both
(d) None

6. Name the kind of the cells which are sensitive to dim light.
(a) Rods
(b) Cones
(c) Both
(d) None

7. The junction of optic nerve and the retina is called __________
(a) Iris
(b) Blind spot
(c) Cornea
(d) None of these

8. Visually impaired persons can read and write using the ___________
(a) Braille system
(b) Newlands system
(c) Mosley system
(d) None of these

9. A white light consist of __________ colours.
(a) Five
(b) Six
(c) Seven
(d) None

10. ___________ works on the principle of multiple reflections.
(a) Periscope
(b) Kaleidoscope
(c) Both
(d) None

Chapter - 16 Light Test 2 | Class - 8th Science

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